Beinn a' Chaisteil weather forecast.

A mixed day on Beinn a' Chaisteil: summit wind broadly 15-35 mph, with gusts 35-45 mph early in the morning (gale-force winds). Much calmer lower down - generally 5-15 mph in the valley, rising towards the tops. Cloud will be lowest on the W slopes, down to about 700-1000 m; the E side should be clearer, lifting to around 900-1200 m. Little or no rain expected. Cold on top: air temperature broadly 4 to 8°C, feeling around -4 to 0°C in the wind - wrap up.

A rough, clagged-in day on Beinn a' Chaisteil: summit wind broadly 35-50 mph, with gusts 60-70 mph during the afternoon (storm-force winds). Much calmer lower down - generally 10-20 mph in the valley, rising towards the tops. Cloud base 500-800 m - expect the top to stay in cloud for most or all of the day, with no dependable break. Cloud will be lowest on the SW slopes, down to about 400-700 m; the NE side should be clearer, lifting to around 800-1100 m. A persistently wet day is possible, with around 10-20 mm indicated; local totals could vary considerably. Cold on top: air temperature broadly 6 to 10°C, feeling around 0 to 4°C in the wind - wrap up. Low confidence (ensemble members are widely spread) - the summit peak could be anywhere from 24 to 52 mph; check again nearer the time.

A rough, clagged-in day on Beinn a' Chaisteil: summit wind broadly 40-55 mph, with gusts 65-75 mph early in the morning (storm-force winds). Much calmer lower down - generally 10-20 mph in the valley, rising towards the tops. Cloud base 500-800 m - expect the top to stay in cloud for most or all of the day, with no dependable break. Cloud will be lowest on the SW slopes, down to about 500-800 m; the NE side should be clearer, lifting to around 1000-1300 m. A persistently wet day is possible, with around 10-20 mm indicated; local totals could vary considerably. Confidence moderate (ensemble members show a moderate spread) - the summit peak could reasonably be 34-61 mph, so treat the headline as mid-range.

A wild day on Beinn a' Chaisteil: summit wind broadly 30-45 mph, with gusts 55-65 mph early in the morning (storm-force winds). Much calmer lower down - generally 10-20 mph in the valley, rising towards the tops. Cloud base 700-1400 m - the top is likely to drift in and out of cloud, with the best chance of a view from the morning into the evening. The cloud base is very changeable today - it could sit much higher or lower than that at times, so read the sky. Cloud will be lowest on the W slopes, down to about 800-1100 m; the E side should be clearer, lifting to around 1100-1400 m. Some rain is likely, with around 2-5 mm indicated; timing and local totals remain uncertain. Cold on top: air temperature broadly 6 to 10°C, feeling around 0 to 4°C in the wind - wrap up. Confidence moderate (ensemble members show a moderate spread) - the summit peak could reasonably be 30-54 mph, so treat the headline as mid-range.

A fine day on Beinn a' Chaisteil: summit wind broadly 10-25 mph, with gusts 20-30 mph early in the morning (fresh and blowy). Cloud base 500-1500 m - the top is likely to drift in and out of cloud, with the best chance of a view from the morning into the evening. The cloud base is very changeable today - it could sit much higher or lower than that at times, so read the sky. Little or no rain expected. Cold on top: air temperature broadly 4 to 8°C, feeling around 0 to 4°C in the wind - wrap up. Low confidence (ensemble members are widely spread) - the summit peak could be anywhere from 8 to 33 mph; check again nearer the time.

A mixed day on Beinn a' Chaisteil: summit wind broadly 5-25 mph, with gusts 25-35 mph during the evening (strong winds). Much calmer lower down - generally 0-10 mph in the valley, rising towards the tops. Little or no rain expected. Low confidence (ensemble members are widely spread) - the summit peak could be anywhere from 14 to 30 mph; check again nearer the time.

A wild day on Beinn a' Chaisteil: summit wind broadly 25-40 mph, with gusts 40-50 mph during the morning (gale-force winds). Much calmer lower down - generally 5-15 mph in the valley, rising towards the tops. Cloud base 700-1100 m - the top is likely to drift in and out of cloud, with the best chance of a view from early morning into the afternoon. Cloud will be lowest on the S slopes, down to about 800-1100 m; the N side should be clearer, lifting to around 1200-1500 m. Some rain is likely, with up to around 2 mm indicated; timing and local totals remain uncertain. Low confidence (ensemble members are widely spread) - the summit peak could be anywhere from 16 to 64 mph; check again nearer the time. Cloud base is the least certain part of this - the models are only moderately agreed, so it could sit a couple of hundred metres either way.